Bar3DSeries columnLabels and rowLabels not working.

import QtQuick
import QtGraphs

Window {
  id: root
  width: 1280
  height: 960
  visible: true
  title: qsTr("Graphs 3D - Bar Graph")

  Bars3D { 
    id: barGraph
    anchors.fill: parent

    Bar3DSeries {
      id: barSeries
      columnLabels: [
        "col 1",
        "col 2",
        "col 3",
        "col 4",
        "col 5",
        "col 6",
        "col 7",
        "col 8",
        "col 9",
        "col 10"
      ]
      rowLabels: [
        "row 1",
        "row 2",
        "row 3",
        "row 4",
        "row 5",
        "row 6",
        "row 7",
        "row 8",
        "row 9",
        "row 10"
      ]

      ItemModelBarDataProxy {
        itemModel: dataModel
        columnRole: "xPos"
        rowRole: "zPos"
        valueRole: "yPos"
      }
    }
  }

  ListModel {
    id: dataModel
    Component.onCompleted: {
      for (let i = 0; i < 10; ++i) {
        for (let j = 0; j < 10; ++j) {
          dataModel.append({"xPos": i, "yPos": i + j, "zPos": j})
        }
      }
    }
  }
}